1 files changed, 45 insertions, 0 deletions
diff --git a/build-aux/windres-options b/build-aux/windres-options
new file mode 100755
index 00000000..779fddec
--- /dev/null
+++ b/build-aux/windres-options
@@ -0,0 +1,45 @@
+#!/bin/sh
+# Usage: windres-options [--escape] PACKAGE_VERSION
+# Outputs a set of command-line options for 'windres', containing definitions
+# for the preprocessor variables
+#   PACKAGE_VERSION_STRING
+#   PACKAGE_VERSION_MAJOR
+#   PACKAGE_VERSION_MINOR
+#   PACKAGE_VERSION_SUBMINOR
+
+escape=
+if test "$1" = "--escape"; then
+  escape=yes
+  shift
+fi
+version="$1" # something like 2.0 or 2.17 or 2.17.3 or 2.17.3-pre3
+
+sed_extract_major='/^[0-9]/{s/^\([0-9]*\).*/\1/p;q;}
+i\
+0
+q
+'
+sed_extract_minor='/^[0-9][0-9]*[.][0-9]/{s/^[0-9]*[.]\([0-9]*\).*/\1/p;q;}
+i\
+0
+q
+'
+sed_extract_subminor='/^[0-9][0-9]*[.][0-9][0-9]*[.][0-9]/{s/^[0-9]*[.][0-9]*[.]\([0-9]*\).*/\1/p;q;}
+i\
+0
+q
+'
+
+{
+  echo "-DPACKAGE_VERSION_STRING=\"${version}\""
+  echo "-DPACKAGE_VERSION_MAJOR="`echo "${version}" | sed -n -e "$sed_extract_major"`
+  echo "-DPACKAGE_VERSION_MINOR="`echo "${version}" | sed -n -e "$sed_extract_minor"`
+  echo "-DPACKAGE_VERSION_SUBMINOR="`echo "${version}" | sed -n -e "$sed_extract_subminor"`
+} |
+{
+  if test -n "$escape"; then
+    sed -e 's,\(["\\]\),\\\1,g'
+  else
+    cat
+  fi
+}